#6-20 Flat Head Square Self-Drilling Screws (#2 Point)

Hardened 410 Stainless Steel | Bulk Metal Fastening Solutions

Secure your projects with #6-20 Flat Head Square Self-Drilling Screws, designed with a #2 BSD tip for efficient self-drilling into thinner metals without the need for pre-drilling. Crafted from hardened 410 stainless steel, these screws offer superior tensile strength and moderate corrosion resistance, making them an excellent choice for HVAC, sheet metal applications, and general construction. The flat head design provides a flush finish, while the square (Robertson) drive reduces cam-out and ensures a secure grip.

Key Features

• Size & Thread: #6-20 (20 TPI)
• Head Style: Flat Head, Square (Robertson) Drive
• Drill Point: #2 Self-Drilling (BSD) for lighter-gauge metals
• Material: Hardened 410 Stainless Steel for added strength
• Corrosion Resistance: Moderate protection for indoor and light outdoor use
• Drive: Square/Robertson – Square Drive Bits Available
• Measurement System: Inch (Imperial/US)
• Bulk Ordering: Various package sizes for cost savings

Why Choose Hardened 410 Stainless Steel?

Hardened 410 stainless steel undergoes heat treatment to provide exceptional tensile strength and wear resistance. Unlike standard stainless steel, 410-grade material offers moderate corrosion protection while delivering the toughness required for demanding metal-to-metal fastening applications.

Ideal Applications

• Sheet Metal Work & HVAC Installations
• Automotive & Machinery Repairs
• Light Construction & Metal Panel Installations
• Appliance & Equipment Assembly
• Any Project Requiring Flush-Fit Screws

Installation Tips

• Use a square/Robertson drive bit to prevent cam-out and stripping.
• Maintain consistent pressure to allow the #2 self-drilling tip to cut efficiently.
• Drive screws perpendicularly for a proper flush fit.
• Avoid over-tightening to ensure longevity and maintain material integrity.

Order in Bulk Today

Enjoy reliable fastening solutions with #6-20 Flat Head Square Self-Drilling Screws in hardened 410 stainless steel. Order now to benefit from fast shipping, bulk discounts, and premium fasteners for your projects.

✔️ Heat-treated 410 stainless for high tensile strength

✔️ Self-drilling #2 point saves installation time

✔️ Square drive design for better torque and reduced cam-out